Based on an adult game by Atelier Kaguya.
Touya returns home during summer vacation to find 4 older women (Rio, Nagisa, Amane and Sara) awaiting him. They have been hired as live-in home tutors for Touya. However, his lessons are not limited to book-learning…

“Hototogisu no Hiyoko”
It’s been 2 years since Aoi married into the Kojima household. She is told by her mother-in-law
that it is her duty to give birth to children and protect the household. She is tasked with taking care
of the head of the household, Houichigorou. She is given the choice to get knocked up or leave
the Kojima household.
“Hitozuma wa Ni-do Okosareru”
Miho is blackmailed by her neighbor, who filmed her having sex with her ex. She offers her
body in exchange for the deletion of that video…
“Yue ni Chounaikaichou wa…”
A young couple moves to a new neighborhood where they have no acquaintances. Their
neighbor is the trusty head of the neighborhood association and they have a drink together. The
wife goes to sleep in their bedroom, leaving the husband to face off against the head in a
drinking game. The husband loses, and the head goes to the couple’s bedroom to take the wife’s
body.

Our protagonist, Majime Masato, is an extremely average and extremely lewd second year student at Ichisakura Academy. His reputation as a pervert precedes him. One day, he saves a black cat named Shami who gives him a magical “smartphone of love” as a gift. He levels up from being a lowly perverted student to being the most perverted student in the whole world! Ichisakura Academy ranks in the top three in the nation for average female bust size, so Majime has quite a selection to choose from!
However, Shami comes to tell him that his phone won’t last forever, so Masato decides to go all in and accomplish his crazy sexual fantasy of impregnating every girl in the school!

Things have progressed…quickly with Chihiro and Eri. The man that paid them for sex has turned into their sugar daddy and is taking them on wild and crazy adventures, all streamed live to thousands of viewers! Masturbation inside of a space station… Yuri and double penetration in the middle of a football stadium filled with people…is there no end to this guy’s money?

So you’re visiting again I see? How about trying the Demoness Dog? She could use plenty of discipline…
And after that perhaps the former Princess of the Vampires? She has a perculiar trait that may interest you…

An original OVA that follows the sexual escapades of a high school boy.

Ep3 – The prideful and well-endowed teacher Wakatsuki Risa gathers the gaze of male students everywhere she goes within the school. However, she masturbates chronically and is discovered by some students. Blackmailed, she submits to their desires. Trained into becoming sex toy, she is even used by the janitor and school principal.

Based on the manga by Tsukiyoshi Hiroki.
On the train to school one day, Shirakawa Sumire is molested. However, when she confides in teacher Takahashi, the nightmare escalates…